You Are Given a Copper Bar of Dimensions 3 Cm

You are given a copper bar of dimensions 3 cm × 5 cm × 8 cm and asked to attach leads to it in order to make a resistor.
(a)If you want to achieve the SMALLEST possible resistance,you should attach the leads to the opposite faces that measure
A)3 cm × 5 cm.
B)3 cm × 8 cm.
C)5 cm × 8 cm.
D)Any pair of faces produces the same resistance.
(b)If you want to achieve the LARGEST possible resistance,you should attach the leads to the opposite faces that measure
A)3 cm × 5 cm.
B)3 cm × 8 cm.
C)5 cm × 8 cm.
D)Any pair of faces produces the same resistance.